Finding the Fourth Proportional to 72,804.58, 100,501.33 and 48,945.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,804.58 : 100,501.33 = 48,945.10 : x
2. Step 2: Convert to fraction form
   72,804.58/100,501.33 = 48,945.10/x
3. Step 3: Cross multiply
   72,804.58x = 100,501.33 × 48,945.10
4. Step 4: Simplify right side
   72,804.58x = 4,919,047,343.42
5. Step 5: Solve for x
   x = 4,919,047,343.42/72,804.58
6. Step 6: Final answer
   x = 67,565.08